:root {
  color-scheme: dark;
  --bg-0: #22384d;
  --bg-1: #395776;
  --panel: rgba(8, 16, 24, 0.9);
  --panel-soft: rgba(8, 16, 24, 0.72);
  --border: rgba(228, 237, 249, 0.11);
  --text: #f5f8ff;
  --muted: #a9b7c7;
  --accent: #dce8f8;
  --accent-warm: #ffd7a8;
  --shadow: 0 28px 64px rgba(2, 6, 12, 0.34);
  --display: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, 0.08), transparent 26%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  color: var(--text);
  font-family: var(--mono);
}

body {
  min-height: 100vh;
  background-attachment: fixed;
}

button,
textarea {
  font: inherit;
}

#app {
  min-height: 100vh;
}

.layout {
  display: grid;
  grid-template-columns: 318px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: grid;
  align-content: start;
  gap: 22px;
  padding: 26px 22px;
  background: linear-gradient(180deg, var(--panel), rgba(6, 12, 19, 0.94));
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.sidebar-head h1 {
  margin: 8px 0 0;
  font-family: var(--display);
  font-size: 1.82rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0;
  color: rgba(245, 248, 255, 0.76);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.field {
  display: grid;
  gap: 10px;
}

.field span,
.output-label {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field textarea {
  min-height: 188px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%),
    rgba(4, 10, 16, 0.72);
  color: var(--text);
  line-height: 1.55;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    inset 0 -24px 48px rgba(0, 0, 0, 0.12);
}

.field textarea:focus {
  outline: 2px solid rgba(220, 232, 248, 0.22);
  outline-offset: 2px;
}

.actions {
  display: grid;
  gap: 10px;
}

.primary-button {
  border: 1px solid rgba(220, 232, 248, 0.24);
  border-radius: 16px;
  padding: 12px 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04)),
    rgba(245, 248, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 140ms ease,
    background 140ms ease,
    border-color 140ms ease;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: rgba(245, 248, 255, 0.1);
  border-color: rgba(220, 232, 248, 0.38);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.status-line {
  min-height: 2.8em;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.output-panel {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.sidebar-footer p {
  margin: 0;
  color: rgba(245, 248, 255, 0.74);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-footer a {
  color: var(--accent);
  font-size: 0.92rem;
  text-decoration: none;
}

.sidebar-footer-links {
  display: flex;
  gap: 10px;
}

.sidebar-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(220, 232, 248, 0.16);
  border-radius: 999px;
  background: rgba(245, 248, 255, 0.04);
  color: rgba(245, 248, 255, 0.78);
  transition:
    transform 140ms ease,
    color 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.sidebar-footer a svg {
  width: 18px;
  height: 18px;
}

.sidebar-footer a:hover,
.sidebar-footer a:focus-visible {
  transform: translateY(-1px);
  color: var(--accent-warm);
  border-color: rgba(255, 215, 168, 0.42);
  background: rgba(255, 215, 168, 0.08);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
}

.sidebar-footer a:focus-visible {
  outline: none;
}

.output-text {
  min-height: 180px;
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 26%),
    rgba(4, 10, 16, 0.58);
  padding: 16px;
  color: var(--text);
  line-height: 1.7;
  white-space: pre-wrap;
  overflow: auto;
  box-shadow: inset 0 -24px 40px rgba(0, 0, 0, 0.1);
}

.output-text.is-streaming::after {
  content: "";
  display: inline-block;
  width: 0.62ch;
  height: 1.2em;
  margin-left: 0.18ch;
  vertical-align: -0.16em;
  background: rgba(245, 248, 255, 0.9);
  animation: blink 0.9s steps(1, end) infinite;
}

.viewer-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 26% 24%, rgba(255, 255, 255, 0.09), transparent 22%),
    radial-gradient(circle at 76% 70%, rgba(255, 189, 120, 0.1), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(123, 208, 255, 0.09), transparent 32%),
    linear-gradient(180deg, rgba(65, 98, 130, 0.3), rgba(22, 36, 50, 0.12));
}

.scene-host,
.viewer-root {
  position: absolute;
  inset: 0;
}

.viewer-root canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewer-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.viewer-tip {
  position: absolute;
  top: 22px;
  right: 26px;
  padding: 10px 14px;
  border: 1px solid rgba(245, 248, 255, 0.12);
  border-radius: 999px;
  background: rgba(12, 21, 31, 0.8);
  color: rgba(245, 248, 255, 0.84);
  font-size: 0.76rem;
  backdrop-filter: blur(12px);
}

.viewer-predictions {
  position: absolute;
  top: 24px;
  left: 26px;
  width: 300px;
  padding: 16px 16px 14px;
  border: 1px solid rgba(245, 248, 255, 0.12);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%),
    linear-gradient(180deg, rgba(7, 14, 22, 0.86), rgba(5, 10, 16, 0.78));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.viewer-prediction-step {
  margin: 10px 0 14px;
  color: rgba(245, 248, 255, 0.82);
  font-size: 0.82rem;
}

.viewer-prediction-list {
  display: grid;
  gap: 10px;
}

.prediction-row {
  display: grid;
  gap: 6px;
}

.prediction-head {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
}

.prediction-row.is-active .prediction-token,
.prediction-row.is-active .prediction-prob {
  color: var(--accent-warm);
}

.prediction-rank {
  color: rgba(245, 248, 255, 0.46);
  font-size: 0.8rem;
}

.prediction-token {
  overflow: hidden;
  color: rgba(245, 248, 255, 0.96);
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prediction-prob {
  color: rgba(245, 248, 255, 0.78);
  font-size: 0.88rem;
}

.prediction-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(245, 248, 255, 0.07);
}

.prediction-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(123, 208, 255, 0.95), rgba(255, 189, 120, 0.95));
}

.viewer-card {
  position: absolute;
  right: 26px;
  bottom: 24px;
  width: 300px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(245, 248, 255, 0.12);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%),
    linear-gradient(180deg, rgba(7, 14, 22, 0.9), rgba(5, 10, 16, 0.82));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.viewer-card-kicker {
  margin: 0;
  color: rgba(220, 232, 248, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.viewer-card-title {
  margin: 10px 0 8px;
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1;
}

.viewer-card-body {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.viewer-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.viewer-card-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(245, 248, 255, 0.06);
  color: rgba(245, 248, 255, 0.86);
  font-size: 0.72rem;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .viewer-shell {
    min-height: 70vh;
  }
}

@media (max-width: 720px) {
  .sidebar {
    padding: 20px 18px;
  }

  .sidebar-head h1 {
    font-size: 1.7rem;
  }

  .viewer-tip {
    top: 16px;
    right: 16px;
  }

  .viewer-predictions {
    top: 16px;
    left: 16px;
    width: 280px;
  }

  .viewer-card {
    right: 16px;
    bottom: 16px;
    left: 16px;
    width: auto;
  }
}